Granted Patent
Utility
US 6,727,296 · App. 09/868,601
Ink-jet ink compositions
Inventors:
David Alan Pears, John Christopher Padget, Mark Robert James, Peter Gregory, Philip John Double
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Nov 19, 2001
Inventors
David Alan Pears
John Christopher Padget
Mark Robert James
Peter Gregory
Philip John Double
Assignee (at issue)
Avecia Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.